{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Briefly , we suggest that luminol is a promising light source in meso - tetraphenylporphyrin - mediated photodynamic therapy for its greater penetration depth and well matched emission wavelength ."}
{"Chemical": ["luminol", "meso - tetraphenylporphyrin"]}